generated: '2026-07-18'
method: searched
source: https://developer.bill.com/docs/spend-expense-api
docs: https://developer.bill.com/reference
description: >-
  Entity-relationship sketch for the Divvy (BILL Spend & Expense) API core
  objects, drawn from the BILL Spend & Expense API object reference. No OpenAPI
  document is published for download, so relationships are captured from the
  documented resources rather than derived from schema $refs.
entities:
  - name: Budget
    ref: https://developer.bill.com/reference/listbudgets
    operations: [listbudgets, createbudget, getbudget, updatebudget, deletebudget]
  - name: User
    ref: https://developer.bill.com/docs/budgets-and-users
    operations: [listorganizationusers, listorganizationuserroles]
  - name: CardAccount
    ref: https://developer.bill.com/reference/getcardaccount
    operations: [listpayablecardaccounts, getcardaccount, listcardaccountusers]
  - name: VirtualCard
    ref: https://developer.bill.com/docs/virtual-cards
  - name: Transaction
    ref: https://developer.bill.com/docs/transaction-management
  - name: Reimbursement
    ref: https://developer.bill.com/docs/reimbursements
relationships:
  - from: Budget
    type: has_many
    to: User
    via: budget membership
  - from: CardAccount
    type: has_many
    to: User
    via: card account users
  - from: Transaction
    type: belongs_to
    to: CardAccount
    via: card
  - from: Transaction
    type: belongs_to
    to: Budget
    via: budget
  - from: Reimbursement
    type: belongs_to
    to: User
    via: user